Weather for Peacock Flat Trail, HI - Peacock Flat Trail, HI Weather, Current Weather in Peacock Flat Trail, HI. Local weather report for Peacock Flat Trail, HI, Local Peacock Flat Trail, HI weather. Forecast for Peacock Flat Trail, Hawaii, Peacock Flat Trail, HI weather forecast. Find your local Peacock Flat Trail weather forecast. Peacock Flat Trail, HI weather conditions.